A large, all-day-out top-loading pack with ergoACTIV suspension * Product Material: 210d nylon ripstop, 400d nylon twill * Product Weight: 2.87 lbs. * Patent-pending ergoACTIV suspension with OpenAir backpanel * Top-loading with fixed top pocket * Soft, breathable 3D mesh on shoulder straps and adjustable hipbelt (adjustment tool included) * Hipbelt stash pocket, side stretch pockets and front compression stretch pocket * Trekking pole/ice axe loops * Hydration compatible